Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Dieters who sleep more take off more fat that those who sleep less.
159
Your ears secrete more earwax when you are afraid than when you aren't.
229
If you cut a 'V' shape into your toe nails, you can prevent 'in-grown' toe nails.
22
The human brain uses approximately as much energy as a 10 watt light bulb.
120
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
From the age of thirty, humans gradually begin to shrink in size.
1